Update gear.json

Added "Confers no benefit." if missing.
Added "(Month) 2014 Subscriber Item." if missing.
Rearranged some Mystery Item notes from "(Description). (Month) 2014 Subscriber Item. Confers no benefit." to "(Description). Confers no benefit. (Month) 2014 Subscriber Item." 
- All Special Event accessory notes are written in this order.
Changed "October 2014 Subscriber Outfit" to "October 2014 Subscriber Item".  
 - All other preexisting Mystery Item strings read "Item".
Changed "Adds # points to (Stat)" in some Special Event equipment to "Increases (Stat) by #"
 - All other equipment reads "Increases (Stat) by #."
Changed "Confers no stat bonus." to "Confers no benefit." in some Special Event accessories. 
 - All other items read "Confers no benefit."